Waves 0.0 / 5 ? PhysicsWavesGCSEAQA Created by: Sam EvansCreated on: 23-05-14 20:31 What is the unit of wavelength? Metre 1 of 9 What type of image is produces by a plane mirror? A virtual image 2 of 9 If you stand 1.5m in front of a plane mirror, where will your image be? 1.5m behind the mirror 3 of 9 Which colour of light is refracted the most? Violet 4 of 9 What is an echo? The reflection of a sound 5 of 9 What is a rarefaction? the region in a longitudinal wave where the particles are further apart than in the rest pollution 6 of 9 What happens when light waves cross a boundary between two transparent substances? Their speed changes 7 of 9 What is diffraction? The spreading of a wave as it passes through a gap or round an object 8 of 9 How does a flute produce sound? The air in the flute vibrates as you blow across the mouthpiece 9 of 9
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